V2EX phyllotaxis

Phyllotaxis

释义 Definition

Phyllotaxis(叶序):指植物的叶(或花、鳞片等侧生器官)在茎或花序轴上的排列方式与规律。最常见的类型包括互生(螺旋叶序)对生轮生等;在许多植物中,螺旋叶序常呈现与斐波那契数列/黄金角相关的排列特征。(该词在植物形态学与发育生物学中很常用。)

发音 Pronunciation

/fltkss/

例句 Examples

Sunflowers show striking phyllotaxis in their seed spirals.
向日葵的种子螺旋呈现出非常醒目的叶序规律。

By measuring phyllotaxis at the shoot apical meristem, researchers can infer how growth signals shape organ spacing.
通过测量茎尖分生组织处的叶序,研究者可以推断生长信号如何影响器官的间距与排布。

词源 Etymology

该词源自希腊语词根:phyllon(叶) + taxis(排列、次序),字面意思就是“叶的排列”。它强调的是位置与序列的规律,而不仅仅是“长了几片叶子”。

相关词 Related Words

文学/作品中的用例 Notable Works

  • On Growth and Form(D’Arcy Wentworth Thompson):讨论生物形态与数学规律时常涉及叶序与螺旋结构。
  • The Algorithmic Beauty of Plants(Przemysaw Prusinkiewicz & Aristid Lindenmayer):以算法与L系统建模植物形态,叶序是核心主题之一。
  • Patterns in Nature: Why the Natural World Looks the Way It Does(Philip Ball):面向大众的自然图案科普中,叶序常作为“自然中的数与形”的经典案例出现。
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